package com.itheima.afternoon.demo03;

import java.util.concurrent.ConcurrentHashMap;

public class ConcurrentHashMapDemo {
    public static void main(String[] args) throws InterruptedException {
        ConcurrentHashMap<String,String> hm = new ConcurrentHashMap<>(100);
        Thread t1 = new Thread(()->{
            for (int i = 0; i < 25; i++) {
                hm.put(i + "", i + "");
            }
        });

        Thread t2 = new Thread(()->{
            for (int i = 25; i < 51; i++) {
                hm.put(i + "", i + "");
            }
        });

        t1.start();
        t2.start();
        System.out.println("-------------------");
        Thread.sleep(1000);
        for (int i = 0; i <= 50; i++) {
            System.out.println(hm.get(i + ""));
        }
    }
}
